Casing for a stepper



FIG. 1 is a perspective view of a casing for a stepper showing my newdesign;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is another perspective view thereof, with the stepper engaged;

FIG. 9 is another perspective view thereof, with the stepper engaged;and,

FIG. 10 is still another perspective view thereof, with the stepperengaged.

The broken lines showing a stepper illustrates environmental structurewhich form no part of the claimed design.

I claim the ornamental design for a casing for a stepper, as shown anddescribed.